Buying SPX6900:
You should only buy as much SPX6900 as you are comfortable holding because it is a volatile asset and the aim is to hold it for a long period of time. Most people buy either all at once and/or at regular intervals daily, weekly or monthly.
You can buy SPX6900 globally from crypto exchanges and online banks including:
SPX6900 is available on Ethereum, Solana and Base. Therefore you can also buy it on all the relevant DEXs ( Uniswap, Jupiter, Aerodrome) and hold it on hot wallets ( Phantom & Metamask) should you prefer.
Holding SPX6900:
You should treat your SPX6900 coins as though they are worth 100x the value of what they are now because one day soon they will.
You can hold your SPX6900 coins on exchanges but you are reliant on the exchange remaining secure and honest. Most people buy SPX6900 on an exchange and then move their coins to a hardware wallet to maintain complete ownership and security of their assets. Due to recent hacks with Wormhole it is advised to hold SPX6900 on Ethereum over Solana.
Hardware wallets
Because SPX6900 is available on Ethereum, Solana and Base all hardware wallets are capable of storing your coins. To learn how to add your SPX6900 coins to your hardware wallets simply watch a tutorial video about managing (sending, receiving and viewing) ERC-20 & SPL tokens on your specific hardware wallet.
Remember to always hide and never tell anyone your seedphrase. Most people write their seedphrase in metal to protect against environmental factors like water and fire.